Entry doors have to be tested and certified for energy efficiency, way before you make a purchase. The doors ought to have tighter-fitting frames, energy-efficient cores, and double- or triple-insulated glass panels to reduce heat transfer in case of sidelights.

When it comes to security and durability, you will agree there is no match for a steel door. Steel doors will definitely not warp and crack like wood or fiberglass, thus making them an ideal choice for exterior doors. Foam or corkboard is used to fill the hollow between the two frames that make the door. The surface of the door is either embossed to attain a wood-grain pattern, or is simply fitted with a laminated-wood veneer.

Why do we have doors? For ventilation, privacy, and protection from intruders? The fact is, we don't give enough credit to the front door of the house. Tell me, how many times in a day do you think about doors, especially the front door of a building or house? You don't at all, unless you are denied entry through it. The front door of your house creates the first impression of what lies beyond it, and makes the first step into your house an unforgettable one. So, if you are thinking of repainting your front door, you must remember these pointers before you venture out shopping for paints.